Home / 30,772,994.40-46,159,491.60-12,819,765.60

Finding the Fourth Proportional to 30,772,994.40, 46,159,491.60 and 12,819,765.60

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Solution

The fourth proportional to 30,772,994.40, 46,159,491.60 and 12,819,765.60 is: 19,229,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772,994.40 : 46,159,491.60 = 12,819,765.60 : x
  2. Step 2: Convert to fraction form
    30,772,994.40/46,159,491.60 = 12,819,765.60/x
  3. Step 3: Cross multiply
    30,772,994.40x = 46,159,491.60 × 12,819,765.60
  4. Step 4: Simplify right side
    30,772,994.40x = 591,753,862,527,169
  5. Step 5: Solve for x
    x = 591,753,862,527,169/30,772,994.40
  6. Step 6: Final answer
    x = 19,229,648.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.